Maintenance teams planning replacements for WTT12L-B2543 frequently review Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor to prevent downtime, checking availability and compatibility with existing systems.
Sick WTT12L-B2543 Photoelectric Sensor
The Sick WTT12L-B2543 Photoelectric Sensor offers a one-hundred to one-thousand-eight-hundred millimeter sensing range using visible red laser light. It features background suppression, a PNP/NPN push-pull output, and a ≤ 16.7 ms response time with a 30 Hz switching frequency. The device operates on 10–30 V DC, includes a dual teach-in button, uses an M12 connector, and provides IP67 protection with VISTAL® housing and PMMA optics. Explore Sick Sensors, view Sick Photoelectric Sensors, and browse the Sick WTT Series.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT12L-B2543 |
Sick WTT12L-B2543 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression, Optical time-of-flight |
| Dimensions (W x H x D) | 20 mm x 49.6 mm x 44.2 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 50 mm ... 1,800 mm |
| Sensing range | 100 mm ... 1,800 mm3) |
| Type of Light | Visible red light |
| Light source | Laser |
| Light spot size (distance) | Ø 12 mm (1,800 mm) |
| Wave length | 658 nm |
| Laser class | 1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.1 |
| Adjustment | Single teach-in button (2 x) |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 70 mA 3) |
| Switching output | Push-pull: PNP/NPN |
| Switching mode | Light switching |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 16.7 ms |
| Switching frequency | 30 Hz 6) |
| Connection type | Male connector M12, 5-pin |
| Protection class | III |
| Housing material | Plastic, VISTAL® |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –35 °C ... +50 °C 10) |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 48 g |
The Sick WTT12L-B2543 Photoelectric Sensor delivers stable detection performance using a 100–1,800 mm sensing range, visible red laser source, and PNP/NPN push-pull switching output. The Sick WTT12L-B2543 uses optical time-of-flight measurement, incorporates background suppression, and supports a 30 Hz switching frequency. As part of the WTT series, it is engineered for consistent sensing tasks required in industrial automation environments.
This model is suitable for conveyors, automated machinery, packaging lines, and assembly systems where reliable object detection is essential. The IP67 enclosure resists dust and moisture, while the laser-defined spot ensures precise detection of materials moving at varied speeds. Its compact rectangular housing and M12 connector simplify integration into existing automation setups.
The Sick WTT12L-B2543 Photoelectric Sensor provides dependable performance, stable switching, and long-term durability for industrial applications. With its defined sensing range, laser-based detection, and protected housing, it supports continuous operation in demanding factory environments. Sick’s engineering quality ensures this model remains a trustworthy choice for accurate sensing in automated systems.
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